In some cases, it might be desirable to package a module from an
external source tree alongside the base kernel. In those cases, it
might also be desirable to not have those modules tainting the kernel.
This patch provides a mechanism for an external module build to declare
itself as an "integrated build". Such a module is then treated the same
as an intree module.
Signed-off-by: John W. Linville <linvi...@tuxdriver.com>
---
Any thoughts on this? I'm thinking of adding this to Fedora kernels,
where I have been working to integrate the compat-wireless package as
part of the base kernel RPM.
scripts/Makefile.modpost | 1 +
scripts/mod/modpost.c | 10 ++++++++--
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 08dce14..160c6fb 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -81,6 +81,7 @@ modpost = scripts/mod/modpost \
$(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
$(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \
$(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) \
+ $(if $(INTEGRATED_BUILD),-B) \
$(if $(cross_build),-c)
quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 2bd594e..5d077f9 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -43,6 +43,9 @@ static int warn_unresolved = 0;
static int sec_mismatch_count = 0;
static int sec_mismatch_verbose = 1;
+/* Is this a module being built as part of an integrated package? */
+static int integrated_build = 0;
+
enum export {
export_plain, export_unused, export_gpl,
export_unused_gpl, export_gpl_future, export_unknown
@@ -1851,7 +1854,7 @@ static void add_header(struct buffer *b, struct module
*mod)
static void add_intree_flag(struct buffer *b, int is_intree)
{
- if (is_intree)
+ if (is_intree || integrated_build)
buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n");
}
@@ -2101,7 +2104,7 @@ int main(int argc, char **argv)
struct ext_sym_list *extsym_iter;
struct ext_sym_list *extsym_start = NULL;
- while ((opt = getopt(argc, argv, "i:I:e:cmsSo:awM:K:")) != -1) {
+ while ((opt = getopt(argc, argv, "i:I:e:cmsSo:awM:K:B")) != -1) {
switch (opt) {
case 'i':
kernel_read = optarg;
@@ -2139,6 +2142,9 @@ int main(int argc, char **argv)
case 'w':
warn_unresolved = 1;
break;
+ case 'B':
+ integrated_build = 1;
+ break;
default:
exit(1);
}
--
1.7.4.4
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